发明名称 |
POLYMERBASERAD OVERDRAGSKOMPOSITION, SOM TILLFORSEKRAR KONTROLLERAD FRIGORING AV AKTIVA BESTANDSDELAR SAMT SETT ATT FRAMSTELLA DENNA |
摘要 |
A coating ensuring the controlled release of a biological active ingredient, which can be incorporated in the coating or is surrounded thereby, consists of a varnish-forming polymer selected from the group which consists of cellulose triacetate containing polyethylene glycol as an emollient and vinyl chloride-vinyl acetate copolymer with glycerol as an emollient, and an aqueous phase dispersed in the polymer and consisting of particles of a diameter up to 20 microns, the aqueous phase making up 2% to 30% of the volume of the coating. The active ingredient is preferably a pharmaceutical agent affecting the circulatory system or a psychotropic agent. |
申请公布号 |
SE440025(B) |
申请公布日期 |
1985.07.15 |
申请号 |
SE19770010360 |
申请日期 |
1977.09.15 |
申请人 |
RICHTER GEDEON VEGYESZETI GYAR RT |
发明人 |
J * DOBO;E * TAKACS;G * HORTOBAGYI;M * SKVORECZ;I * KOLBE;K * HOFFMANN |
分类号 |
A61K9/20;A61K9/24;A61K9/28;A61K9/30;A61K9/50;A61K9/58;A61K47/30;(IPC1-7):A61K47/00;A61K9/22 |
主分类号 |
A61K9/20 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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